PRELIMINARY DATA SHEET
MSP 34x7G
5.3. BTSC-Sound System
Table 5–4: Key parameters for BTSC-Sound Systems
Aural
BTSC-MPX-Components
Carrier
(L+R)
Pilot
(L−R)
SAP
Prof. Ch.
Carrier frequency
4.5 MHz
Baseband
fh
2 fh
5 fh
6.5 fh
(fhNTSC = 15.734 kHz)
(fhPAL = 15.625 kHz)
Sound bandwidth in kHz
Preemphasis
0.05 - 15
75 µs
0.05 - 15
DBX
0.05 - 12
DBX
0.05 - 3.4
150 µs
3 kHz
Max. deviation to Aural Carrier
73 kHz
(total)
25 kHz1)
5 kHz
50 kHz1)
15 kHz
Max. Freq. Deviation of Subcarrier
Modulation Type
10 kHz
FM
3 kHz
FM
AM
1) Sum does not exceed 50 kHz due to interleaving effects
5.4. Japanese FM Stereo System (EIA-J)
Table 5–5: Key parameters for Japanese FM-Stereo Sound System EIA-J
Aural
Carrier
FM
EIA-J-MPX-Components
(L+R)
(L−R)
Identification
Carrier frequency (fh = 15.734 kHz)
Sound bandwidth
4.5 MHz
Baseband
0.05 - 15 kHz
75 µs
2 fh
3.5 fh
−
0.05 - 15 kHz
75 µs
Preemphasis
none
2 kHz
Max. deviation portion to Aural Carrier
47 kHz
25 kHz
20 kHz
Max. Freq. Deviation of Subcarrier
Modulation Type
10 kHz
FM
60%
AM
Transmitter-sided delay
Mono transmission
20 µs
0 µs
0 µs
L+R
−
unmodulated
982.5 Hz
922.5 Hz
Stereo transmission
Bilingual transmission
L+R
L−R
Language A
Language B
Micronas
59
MICRONAS [ MICRONAS ]
